Dec 18 07:37:34.175 INFO checking FrancisRussell/oocla-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:37:34.175 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/FrancisRussell/oocla-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:37:34.732 INFO [stdout] df94a72be8bdcdb4373cab8cef8ac08d3eb9d33ee3df2d83d82a5740d9667b1a
Dec 18 07:37:34.740 INFO running `"docker" "start" "-a" "df94a72be8bdcdb4373cab8cef8ac08d3eb9d33ee3df2d83d82a5740d9667b1a"`
Dec 18 07:37:36.360 INFO [stderr]     Checking nix v0.9.0
Dec 18 07:37:41.124 INFO [stderr]     Checking ooc v0.1.0 (/opt/crater/workdir)
Dec 18 07:37:41.610 INFO [stderr] warning: unused import: `std::io`
Dec 18 07:37:41.610 INFO [stderr]  --> src/dense_matrix.rs:2:5
Dec 18 07:37:41.610 INFO [stderr]   |
Dec 18 07:37:41.610 INFO [stderr] 2 | use std::io;
Dec 18 07:37:41.610 INFO [stderr]   |     ^^^^^^^
Dec 18 07:37:41.610 INFO [stderr]   |
Dec 18 07:37:41.610 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:37:41.610 INFO [stderr] 
Dec 18 07:37:41.610 INFO [stderr] warning: unused import: `slice`
Dec 18 07:37:41.610 INFO [stderr]  --> src/dense_matrix.rs:8:21
Dec 18 07:37:41.610 INFO [stderr]   |
Dec 18 07:37:41.610 INFO [stderr] 8 | use std::{mem, ptr, slice};
Dec 18 07:37:41.610 INFO [stderr]   |                     ^^^^^
Dec 18 07:37:41.610 INFO [stderr] 
Dec 18 07:37:41.712 INFO [stderr] warning: method is never used: `get_data_length_elements`
Dec 18 07:37:41.712 INFO [stderr]   --> src/dense_matrix.rs:42:5
Dec 18 07:37:41.712 INFO [stderr]    |
Dec 18 07:37:41.712 INFO [stderr] 42 |     fn get_data_length_elements(&self) -> u64 {
Dec 18 07:37:41.712 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:37:41.712 INFO [stderr]    |
Dec 18 07:37:41.712 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:37:41.712 INFO [stderr] 
Dec 18 07:37:41.712 INFO [stderr] warning: field is never used: `file`
Dec 18 07:37:41.712 INFO [stderr]   --> src/dense_matrix.rs:52:5
Dec 18 07:37:41.712 INFO [stderr]    |
Dec 18 07:37:41.712 INFO [stderr] 52 |     file: File,
Dec 18 07:37:41.712 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 07:37:41.712 INFO [stderr] 
Dec 18 07:37:41.893 INFO [stderr] warning: unused import: `std::io`
Dec 18 07:37:41.893 INFO [stderr]  --> src/dense_matrix.rs:2:5
Dec 18 07:37:41.893 INFO [stderr]   |
Dec 18 07:37:41.893 INFO [stderr] 2 | use std::io;
Dec 18 07:37:41.893 INFO [stderr]   |     ^^^^^^^
Dec 18 07:37:41.893 INFO [stderr]   |
Dec 18 07:37:41.893 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 07:37:41.893 INFO [stderr] 
Dec 18 07:37:41.893 INFO [stderr] warning: unused import: `slice`
Dec 18 07:37:41.893 INFO [stderr]  --> src/dense_matrix.rs:8:21
Dec 18 07:37:41.893 INFO [stderr]   |
Dec 18 07:37:41.893 INFO [stderr] 8 | use std::{mem, ptr, slice};
Dec 18 07:37:41.893 INFO [stderr]   |                     ^^^^^
Dec 18 07:37:41.893 INFO [stderr] 
Dec 18 07:37:42.120 INFO [stderr] warning: method is never used: `get_data_length_elements`
Dec 18 07:37:42.120 INFO [stderr]   --> src/dense_matrix.rs:42:5
Dec 18 07:37:42.120 INFO [stderr]    |
Dec 18 07:37:42.120 INFO [stderr] 42 |     fn get_data_length_elements(&self) -> u64 {
Dec 18 07:37:42.120 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:37:42.120 INFO [stderr]    |
Dec 18 07:37:42.120 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:37:42.120 INFO [stderr] 
Dec 18 07:37:42.120 INFO [stderr] warning: field is never used: `file`
Dec 18 07:37:42.120 INFO [stderr]   --> src/dense_matrix.rs:52:5
Dec 18 07:37:42.120 INFO [stderr]    |
Dec 18 07:37:42.120 INFO [stderr] 52 |     file: File,
Dec 18 07:37:42.120 INFO [stderr]    |     ^^^^^^^^^^
Dec 18 07:37:42.120 INFO [stderr] 
Dec 18 07:37:42.319 INFO [stderr] warning: unused variable: `args`
Dec 18 07:37:42.319 INFO [stderr]  --> src/bin/make-matrix.rs:8:9
Dec 18 07:37:42.319 INFO [stderr]   |
Dec 18 07:37:42.319 INFO [stderr] 8 |     let args : Vec<String> = env::args().collect();
Dec 18 07:37:42.319 INFO [stderr]   |         ^^^^ help: consider using `_args` instead
Dec 18 07:37:42.319 INFO [stderr]   |
Dec 18 07:37:42.319 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 07:37:42.319 INFO [stderr] 
Dec 18 07:37:42.456 INFO [stderr] warning: unused variable: `args`
Dec 18 07:37:42.456 INFO [stderr]  --> src/bin/make-matrix.rs:8:9
Dec 18 07:37:42.456 INFO [stderr]   |
Dec 18 07:37:42.456 INFO [stderr] 8 |     let args : Vec<String> = env::args().collect();
Dec 18 07:37:42.456 INFO [stderr]   |         ^^^^ help: consider using `_args` instead
Dec 18 07:37:42.456 INFO [stderr]   |
Dec 18 07:37:42.456 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 07:37:42.456 INFO [stderr] 
Dec 18 07:37:42.513 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.23s
Dec 18 07:37:43.304 INFO running `"docker" "inspect" "df94a72be8bdcdb4373cab8cef8ac08d3eb9d33ee3df2d83d82a5740d9667b1a"`
Dec 18 07:37:43.700 INFO running `"docker" "rm" "-f" "df94a72be8bdcdb4373cab8cef8ac08d3eb9d33ee3df2d83d82a5740d9667b1a"`
Dec 18 07:37:43.999 INFO [stdout] df94a72be8bdcdb4373cab8cef8ac08d3eb9d33ee3df2d83d82a5740d9667b1a